Method to parse HTML document in Ruby?
like DOMDocument class in PHP, is there any class in RUBY (i.e the core RUBY), to parse and get node elements value from a HTML Document.
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You should check out hpricot. It's exceedingly good. It's not 'core' ruby, but it's a commonly used gem.
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There is no built-in HTML parser (yet), but some very good ones are available, in particular Nokogiri.
Meta-answer: For common needs like these, I'd recommend checking out the Ruby Toolbox site. You'll notice that Nokogiri is the top recommendation for HTML parsers
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You can also try Oga by Yorick Peterse.
It is an XML/HTML parser written in Ruby that does not require system libraries such as libxml. You can find it here. https://github.com/YorickPeterse/oga
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Ruby Cheerio - A jQuery style HTML parser in ruby. A most simplified version of Nokogiri for crawlers. This is the ruby version of most popular NodeJS package cheerio.
Follow the link for a simple crawler example.
gem install ruby-cheerio
require 'ruby-cheerio' jQuery = RubyCheerio.new("<html><body><h1 class='one'>h1_1</h1><h1>h1_2</h1></body></html>") jQuery.find('h1').each do |head_one| p head_one.text end # getting attribute values like jQuery. p jQuery.find('h1.one')[0].prop('h1','class') # function chaining similar to jQuery. p jQuery.find('body').find('h1').first.text讨论(0)
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